| Rhif Cyf Amg | PAMP/178 |
| Teitl | Letters from Curt Polycarp Joachim Sprengel (1766-1833) to William Pamplin |
| Disgrifiad | i. 21 September 1818 (postmark) - Halle - (To Hunneman.) Thanks for information about seeds and Ferns planted in Liverpool. Publications. (German.).
ii. 9 May 1819 - Halle - (To Hunneman.) Acknowledges letters. Orders plants and books.
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| Dyddiad | 21 September 1818 (postmark) - 9 May 1819 |